science
Grade6
Easy
Question
Sound is a __________ wave.
- Mechanical
- Non-mechanical
- Long
- Broad
Hint:
Mechanical waves need medium.
The correct answer is: Mechanical
- Sound waves are mechanical waves.
- Because they need a material medium for propagation, like air or liquids like water, or metals like gold,silver etc.
- So, the correct option is a.
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